Voir la notice de l'article provenant de la source Math-Net.Ru
@article{KVANT_2005_4_a14, author = {B. Frenkin}, title = {LXVIII {{\CYRM}{\cyro}{\cyrs}{\cyrk}{\cyro}{\cyrv}{\cyrs}{\cyrk}{\cyra}{\cyrya}} {\cyrm}{\cyra}{\cyrt}{\cyre}{\cyrm}{\cyra}{\cyrt}{\cyri}{\cyrch}{\cyre}{\cyrs}{\cyrk}{\cyra}{\cyrya} {\cyro}{\cyrl}{\cyri}{\cyrm}{\cyrp}{\cyri}{\cyra}{\cyrd}{\cyra}}, journal = {Kvant}, pages = {51--52}, publisher = {mathdoc}, number = {4}, year = {2005}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KVANT_2005_4_a14/} }
B. Frenkin. LXVIII Московская математическая олимпиада. Kvant, no. 4 (2005), pp. 51-52. http://geodesic.mathdoc.fr/item/KVANT_2005_4_a14/